US1997619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1933-08-30
•
Granted: 1935-04-16
•
Expires: 1953-08-30
Abstract
No abstract record available.
Inventors
- 👤 Edward J Windle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:04
CPC Classifications
B; B27; B27B; B27B11/00; B27B11/02; B27B11/04; B27B11/10; Y; Y10; Y10T; Y10T83/00; Y10T83/667; Y10T83/687; Y10T83/6905; Y10T83/693; Y10T83/6935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-04-15 | 1938-10-15 | 1939-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-15 | 1942-10-15 | 1943-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-15 | 1946-10-15 | 1947-04-16 | $7700.00 | Window Closed / Lapsed |